:root {
  --bg: #090909;
  --surface: #111114;
  --surface-2: #18181d;
  --border: #26262e;
  --text: #f5f5f7;
  --muted: #9a9aa6;
  --accent: #f4ff4f;
  --accent-hover: #e3ef35;
  --danger: #ff5c5c;
  --ok: #3ee089;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  border-bottom: 1px solid var(--border);
  background: rgba(9, 9, 9, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.kairo-icon { width: 40px; height: 40px; }
.brand-name { display: block; font-weight: 800; font-size: 16px; letter-spacing: 0.4px; }
.brand-sub { display: block; font-size: 11px; color: var(--muted); }
.accent { color: var(--accent); }

.nav-actions { display: flex; gap: 10px; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #090909;
  padding: 11px 18px;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 9px 16px;
}
.btn-outline:hover { background: rgba(244, 255, 79, 0.1); }

.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 14px;
}
.btn-ghost:hover { border-color: #3f3f4a; }
.btn-ghost.sm { padding: 6px 10px; font-size: 12px; }

.full { width: 100%; }
.hidden { display: none !important; }
.mb-20 { margin-bottom: 20px; }

.main-wrap { padding: 38px 20px 60px; }
.view { display: none; }
.view.active { display: block; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 28px;
  align-items: start;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--accent);
  background: rgba(244, 255, 79, 0.1);
  border: 1px solid rgba(244, 255, 79, 0.3);
  padding: 5px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
}

h1 { font-size: 40px; line-height: 1.15; font-weight: 800; margin-bottom: 14px; }
h2 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }

.lead { color: var(--muted); font-size: 16px; margin-bottom: 28px; }
.muted { color: var(--muted); font-size: 13px; }

.plans-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}
.plan-card.featured { border-color: var(--accent); }
.plan-tag { font-size: 10px; font-weight: 700; color: var(--accent); letter-spacing: 0.8px; }
.plan-card h3 { margin-top: 6px; font-size: 20px; }
.plan-card p { font-size: 13px; color: var(--muted); }

.auth-card, .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.auth-card.centered { max-width: 420px; margin: 40px auto; }

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin: 14px 0 6px;
}

input, textarea, select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

#login-key-input {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.api-box {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.feedback {
  margin-top: 12px;
  font-size: 13px;
  min-height: 18px;
}
.feedback.err { color: var(--danger); }
.feedback.ok { color: var(--ok); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  gap: 12px;
  flex-wrap: wrap;
}
.head-actions { display: flex; gap: 10px; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.card-head-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.inline-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.inline-form .grow { flex: 1; min-width: 200px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td code { font-family: 'JetBrains Mono', monospace; color: var(--accent); }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}
.pill.active { background: rgba(62, 224, 137, 0.15); color: var(--ok); }
.pill.paused { background: rgba(244, 255, 79, 0.15); color: var(--accent); }
.pill.revoked { background: rgba(255, 92, 92, 0.15); color: var(--danger); }

.logs-list { display: flex; flex-direction: column; gap: 8px; max-height: 360px; overflow-y: auto; }
.log-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
}

@media (max-width: 860px) {
  .hero-grid, .dashboard-grid, .plans-row { grid-template-columns: 1fr; }
  h1 { font-size: 30px; }
}